Environmental Engineering FOURTH EDITION

450 ENVIRONMENTALENGINEERING

Multiply BY To obtain

pounds (mass)/yr/ft3
pounddacre
pounddft3
pounddjn.2
pounddin?
pounds/jn.2

rad
rem

tons (2000 lb)
tons
ton/acre
tonne (lo00 kg)
tonneha

Yd
Yd3

16.0

1.12

16.04

0.068

2.04

7140

0.01

0.01

0.907

907

2.24

1.10

0.446

0.914

0.765

k@yr/m3

kg/m3

atmospheres

inches of mercury

newton/m2

koa

gray

sievert

tonne (1000 kg)

tonnesha

ton (2000 lb)

tondacre

kg

m

m3

watt 1 J/s